/*
    This file is part of Emu.

    Emu is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Emu is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with Emu.  If not, see <http://www.gnu.org/licenses/>. */
#include <QPainter>
#include <QColorDialog>

#include "eprefbutton.h"

EPrefButton::EPrefButton(QColor c, int id)
    : _color(c), _id(id)
{
    connect(this, SIGNAL(clicked()), this, SLOT(selectColor()));
}

void EPrefButton::selectColor()
{
    QColor newColor = QColorDialog::getColor(_color, this);
    if (newColor.isValid()) {
        _color = newColor;
        emit colorChanged(_id, _color);
    }
}

void EPrefButton::paintEvent(QPaintEvent *event)
{
    /* Paint the normal button on the bottom. */
    QPushButton::paintEvent(event);

    /* Paint the background with the stored color. */
    QPainter painter(this);

    /* This will paint the sample color on top of the button area. Painting a sample on
        the button not only looks better, but makes it obvious that it can be clicked. */
    painter.fillRect(event->rect().adjusted(8, 8, -8, -8), _color);
}

